./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e002fb6463a65ebb6b75b40986db95c31112380a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:43:35,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:43:35,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:43:35,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:43:35,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:43:35,218 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:43:35,219 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:43:35,221 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:43:35,222 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:43:35,223 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:43:35,223 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:43:35,223 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:43:35,224 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:43:35,225 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:43:35,226 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:43:35,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:43:35,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:43:35,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:43:35,230 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:43:35,231 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:43:35,232 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:43:35,233 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:43:35,235 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:43:35,235 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:43:35,235 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:43:35,236 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:43:35,237 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:43:35,237 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:43:35,238 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:43:35,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:43:35,239 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:43:35,239 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:43:35,239 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:43:35,240 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:43:35,241 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:43:35,242 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:43:35,242 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:43:35,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:43:35,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:43:35,253 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:43:35,253 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:43:35,253 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:43:35,254 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:43:35,254 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:43:35,254 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:43:35,254 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:43:35,254 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:43:35,254 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:43:35,254 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:43:35,254 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:43:35,255 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:43:35,255 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:43:35,255 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:43:35,255 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:43:35,255 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:43:35,256 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:43:35,256 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:43:35,256 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:43:35,258 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:43:35,258 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:43:35,258 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:43:35,258 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:43:35,258 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:43:35,258 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:43:35,258 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:43:35,259 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:43:35,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:43:35,259 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:43:35,259 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:43:35,259 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:43:35,259 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:43:35,259 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:43:35,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:43:35,260 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:43:35,260 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e002fb6463a65ebb6b75b40986db95c31112380a [2018-11-18 17:43:35,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:43:35,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:43:35,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:43:35,299 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:43:35,299 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:43:35,299 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c [2018-11-18 17:43:35,342 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/data/20e5acc6e/9348842e602748f0b18a6806ff2e8a7d/FLAG1c75cfbd2 [2018-11-18 17:43:35,795 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:43:35,796 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c [2018-11-18 17:43:35,821 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/data/20e5acc6e/9348842e602748f0b18a6806ff2e8a7d/FLAG1c75cfbd2 [2018-11-18 17:43:36,136 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/data/20e5acc6e/9348842e602748f0b18a6806ff2e8a7d [2018-11-18 17:43:36,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:43:36,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:43:36,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:43:36,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:43:36,144 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:43:36,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb347f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36, skipping insertion in model container [2018-11-18 17:43:36,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:43:36,201 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:43:36,513 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:43:36,517 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:43:36,589 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:43:36,601 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:43:36,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36 WrapperNode [2018-11-18 17:43:36,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:43:36,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:43:36,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:43:36,603 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:43:36,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:43:36,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:43:36,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:43:36,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:43:36,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... [2018-11-18 17:43:36,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:43:36,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:43:36,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:43:36,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:43:36,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:43:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:43:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:43:36,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:43:36,815 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:43:36,815 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:43:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:43:36,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:43:36,816 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:43:36,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:43:38,653 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:43:38,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:43:38 BoogieIcfgContainer [2018-11-18 17:43:38,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:43:38,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:43:38,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:43:38,657 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:43:38,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:43:36" (1/3) ... [2018-11-18 17:43:38,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf983c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:43:38, skipping insertion in model container [2018-11-18 17:43:38,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:43:36" (2/3) ... [2018-11-18 17:43:38,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf983c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:43:38, skipping insertion in model container [2018-11-18 17:43:38,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:43:38" (3/3) ... [2018-11-18 17:43:38,660 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label26_true-unreach-call_false-termination.c [2018-11-18 17:43:38,668 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:43:38,675 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:43:38,690 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:43:38,720 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:43:38,720 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:43:38,720 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:43:38,720 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:43:38,720 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:43:38,720 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:43:38,721 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:43:38,721 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:43:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 17:43:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 17:43:38,748 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:43:38,749 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:43:38,751 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:43:38,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:38,755 INFO L82 PathProgramCache]: Analyzing trace with hash -5660128, now seen corresponding path program 1 times [2018-11-18 17:43:38,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:43:38,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:38,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:43:38,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:38,790 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:43:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:39,174 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 17:43:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:43:39,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:43:39,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:43:39,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:43:39,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:43:39,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:43:39,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:43:39,261 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 17:43:39,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:43:39,897 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 17:43:39,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:43:39,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2018-11-18 17:43:39,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:43:39,909 INFO L225 Difference]: With dead ends: 550 [2018-11-18 17:43:39,909 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 17:43:39,913 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:43:39,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 17:43:39,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 17:43:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 17:43:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-11-18 17:43:39,955 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 110 [2018-11-18 17:43:39,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:43:39,955 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-11-18 17:43:39,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:43:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-11-18 17:43:39,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 17:43:39,959 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:43:39,959 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:43:39,959 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:43:39,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:39,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1086899647, now seen corresponding path program 1 times [2018-11-18 17:43:39,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:43:39,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:39,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:43:39,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:39,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:43:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:43:40,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:43:40,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:43:40,100 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:43:40,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:43:40,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:43:40,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:43:40,102 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-11-18 17:43:41,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:43:41,046 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-11-18 17:43:41,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:43:41,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-11-18 17:43:41,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:43:41,054 INFO L225 Difference]: With dead ends: 1075 [2018-11-18 17:43:41,055 INFO L226 Difference]: Without dead ends: 741 [2018-11-18 17:43:41,058 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:43:41,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-18 17:43:41,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-18 17:43:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-18 17:43:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-11-18 17:43:41,093 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 121 [2018-11-18 17:43:41,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:43:41,093 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-11-18 17:43:41,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:43:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-11-18 17:43:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 17:43:41,098 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:43:41,098 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:43:41,098 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:43:41,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:41,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1300275949, now seen corresponding path program 1 times [2018-11-18 17:43:41,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:43:41,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:41,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:43:41,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:41,100 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:43:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:41,436 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-18 17:43:41,572 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-18 17:43:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:43:41,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:43:41,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:43:41,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:43:41,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:43:41,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:43:41,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:43:41,705 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-11-18 17:43:42,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:43:42,442 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-11-18 17:43:42,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:43:42,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-11-18 17:43:42,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:43:42,447 INFO L225 Difference]: With dead ends: 1578 [2018-11-18 17:43:42,447 INFO L226 Difference]: Without dead ends: 721 [2018-11-18 17:43:42,450 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:43:42,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-18 17:43:42,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-18 17:43:42,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-18 17:43:42,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-11-18 17:43:42,478 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 122 [2018-11-18 17:43:42,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:43:42,479 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-11-18 17:43:42,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:43:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-11-18 17:43:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 17:43:42,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:43:42,493 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:43:42,493 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:43:42,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:42,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1606009355, now seen corresponding path program 1 times [2018-11-18 17:43:42,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:43:42,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:42,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:43:42,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:42,495 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:43:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:43:42,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:43:42,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:43:42,687 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:43:42,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:43:42,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:43:42,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:43:42,688 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 4 states. [2018-11-18 17:43:44,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:43:44,067 INFO L93 Difference]: Finished difference Result 1708 states and 2510 transitions. [2018-11-18 17:43:44,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:43:44,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2018-11-18 17:43:44,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:43:44,072 INFO L225 Difference]: With dead ends: 1708 [2018-11-18 17:43:44,072 INFO L226 Difference]: Without dead ends: 993 [2018-11-18 17:43:44,074 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:43:44,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2018-11-18 17:43:44,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2018-11-18 17:43:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 993 states. [2018-11-18 17:43:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1361 transitions. [2018-11-18 17:43:44,097 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1361 transitions. Word has length 126 [2018-11-18 17:43:44,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:43:44,097 INFO L480 AbstractCegarLoop]: Abstraction has 993 states and 1361 transitions. [2018-11-18 17:43:44,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:43:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1361 transitions. [2018-11-18 17:43:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:43:44,100 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:43:44,101 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:43:44,101 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:43:44,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:44,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1591148603, now seen corresponding path program 1 times [2018-11-18 17:43:44,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:43:44,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:44,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:43:44,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:44,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:43:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:43:44,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:43:44,242 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:43:44,242 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-18 17:43:44,244 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:43:44,280 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:43:44,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:43:44,773 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:43:44,775 INFO L272 AbstractInterpreter]: Visited 112 different actions 112 times. Never merged. Never widened. Performed 1511 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1511 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-18 17:43:44,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:44,809 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:43:45,208 INFO L227 lantSequenceWeakener]: Weakened 160 states. On average, predicates are now at 80.34% of their original sizes. [2018-11-18 17:43:45,208 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:43:45,338 INFO L415 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2018-11-18 17:43:45,338 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:43:45,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:43:45,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 17:43:45,340 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:43:45,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:43:45,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:43:45,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:43:45,341 INFO L87 Difference]: Start difference. First operand 993 states and 1361 transitions. Second operand 6 states. [2018-11-18 17:43:48,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:43:48,747 INFO L93 Difference]: Finished difference Result 2118 states and 2884 transitions. [2018-11-18 17:43:48,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:43:48,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-11-18 17:43:48,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:43:48,752 INFO L225 Difference]: With dead ends: 2118 [2018-11-18 17:43:48,752 INFO L226 Difference]: Without dead ends: 1131 [2018-11-18 17:43:48,755 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:43:48,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2018-11-18 17:43:48,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1129. [2018-11-18 17:43:48,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2018-11-18 17:43:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1503 transitions. [2018-11-18 17:43:48,778 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1503 transitions. Word has length 172 [2018-11-18 17:43:48,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:43:48,779 INFO L480 AbstractCegarLoop]: Abstraction has 1129 states and 1503 transitions. [2018-11-18 17:43:48,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:43:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1503 transitions. [2018-11-18 17:43:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 17:43:48,782 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:43:48,782 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:43:48,783 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:43:48,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:48,783 INFO L82 PathProgramCache]: Analyzing trace with hash 790935592, now seen corresponding path program 1 times [2018-11-18 17:43:48,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:43:48,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:48,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:43:48,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:48,784 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:43:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 90 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:43:49,023 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:43:49,023 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:43:49,023 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-11-18 17:43:49,023 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:43:49,028 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:43:49,028 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:43:49,301 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:43:49,302 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Performed 3015 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3015 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 17:43:49,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:49,337 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:43:49,652 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 81.71% of their original sizes. [2018-11-18 17:43:49,653 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:43:50,244 INFO L415 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-11-18 17:43:50,244 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:43:50,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:43:50,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-18 17:43:50,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:43:50,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:43:50,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:43:50,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:43:50,249 INFO L87 Difference]: Start difference. First operand 1129 states and 1503 transitions. Second operand 10 states. [2018-11-18 17:43:55,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:43:55,069 INFO L93 Difference]: Finished difference Result 2257 states and 3029 transitions. [2018-11-18 17:43:55,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:43:55,070 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-11-18 17:43:55,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:43:55,074 INFO L225 Difference]: With dead ends: 2257 [2018-11-18 17:43:55,074 INFO L226 Difference]: Without dead ends: 1270 [2018-11-18 17:43:55,077 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 188 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 17:43:55,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2018-11-18 17:43:55,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1267. [2018-11-18 17:43:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2018-11-18 17:43:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1651 transitions. [2018-11-18 17:43:55,104 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1651 transitions. Word has length 181 [2018-11-18 17:43:55,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:43:55,105 INFO L480 AbstractCegarLoop]: Abstraction has 1267 states and 1651 transitions. [2018-11-18 17:43:55,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:43:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1651 transitions. [2018-11-18 17:43:55,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 17:43:55,110 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:43:55,110 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:43:55,110 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:43:55,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:55,110 INFO L82 PathProgramCache]: Analyzing trace with hash -79361511, now seen corresponding path program 1 times [2018-11-18 17:43:55,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:43:55,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:55,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:43:55,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:43:55,111 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:43:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:43:55,441 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-18 17:43:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:43:55,572 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:43:55,572 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:43:55,573 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-11-18 17:43:55,573 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:43:55,578 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:43:55,581 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:43:55,875 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:43:55,875 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 5 different actions 5 times. Never widened. Performed 3036 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3036 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 17:43:55,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:43:55,916 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:43:56,143 INFO L227 lantSequenceWeakener]: Weakened 191 states. On average, predicates are now at 81.71% of their original sizes. [2018-11-18 17:43:56,143 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:43:56,240 INFO L415 sIntCurrentIteration]: We unified 193 AI predicates to 193 [2018-11-18 17:43:56,240 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:43:56,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:43:56,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:43:56,240 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:43:56,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:43:56,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:43:56,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:43:56,241 INFO L87 Difference]: Start difference. First operand 1267 states and 1651 transitions. Second operand 10 states. [2018-11-18 17:44:00,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:44:00,335 INFO L93 Difference]: Finished difference Result 2670 states and 3554 transitions. [2018-11-18 17:44:00,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:44:00,335 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2018-11-18 17:44:00,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:44:00,340 INFO L225 Difference]: With dead ends: 2670 [2018-11-18 17:44:00,340 INFO L226 Difference]: Without dead ends: 1683 [2018-11-18 17:44:00,343 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 202 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:44:00,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2018-11-18 17:44:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1680. [2018-11-18 17:44:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-11-18 17:44:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2102 transitions. [2018-11-18 17:44:00,377 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2102 transitions. Word has length 194 [2018-11-18 17:44:00,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:44:00,377 INFO L480 AbstractCegarLoop]: Abstraction has 1680 states and 2102 transitions. [2018-11-18 17:44:00,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:44:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2102 transitions. [2018-11-18 17:44:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 17:44:00,383 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:44:00,384 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:44:00,384 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:44:00,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:00,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1649739324, now seen corresponding path program 1 times [2018-11-18 17:44:00,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:44:00,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:00,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:00,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:00,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:44:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:44:00,595 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 92 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:44:00,596 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:44:00,596 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:44:00,597 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-11-18 17:44:00,597 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:44:00,607 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:44:00,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:44:00,907 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:44:00,908 INFO L272 AbstractInterpreter]: Visited 117 different actions 470 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 6673 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6673 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 17:44:00,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:00,913 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:44:00,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:44:00,913 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:44:00,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:00,922 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:44:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:44:01,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:44:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:44:01,259 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:44:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 98 proven. 38 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:44:01,633 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:44:01,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 17:44:01,634 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:44:01,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 17:44:01,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 17:44:01,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:44:01,636 INFO L87 Difference]: Start difference. First operand 1680 states and 2102 transitions. Second operand 11 states. [2018-11-18 17:44:03,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:44:03,040 INFO L93 Difference]: Finished difference Result 5306 states and 7287 transitions. [2018-11-18 17:44:03,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 17:44:03,040 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2018-11-18 17:44:03,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:44:03,052 INFO L225 Difference]: With dead ends: 5306 [2018-11-18 17:44:03,052 INFO L226 Difference]: Without dead ends: 4181 [2018-11-18 17:44:03,057 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 409 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:44:03,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4181 states. [2018-11-18 17:44:03,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4181 to 4155. [2018-11-18 17:44:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4155 states. [2018-11-18 17:44:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 4155 states and 5283 transitions. [2018-11-18 17:44:03,140 INFO L78 Accepts]: Start accepts. Automaton has 4155 states and 5283 transitions. Word has length 203 [2018-11-18 17:44:03,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:44:03,140 INFO L480 AbstractCegarLoop]: Abstraction has 4155 states and 5283 transitions. [2018-11-18 17:44:03,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 17:44:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 4155 states and 5283 transitions. [2018-11-18 17:44:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 17:44:03,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:44:03,152 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:44:03,152 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:44:03,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:03,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1185315831, now seen corresponding path program 1 times [2018-11-18 17:44:03,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:44:03,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:03,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:03,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:03,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:44:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:44:03,358 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 118 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 17:44:03,358 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:44:03,358 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:44:03,358 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-18 17:44:03,358 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:44:03,361 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:44:03,361 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:44:03,627 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:44:03,628 INFO L272 AbstractInterpreter]: Visited 118 different actions 477 times. Merged at 10 different actions 41 times. Widened at 1 different actions 1 times. Performed 6754 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6754 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-11-18 17:44:03,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:03,632 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:44:03,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:44:03,632 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:44:03,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:03,640 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:44:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:44:03,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:44:03,833 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 17:44:03,833 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:44:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 17:44:03,960 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:44:03,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-18 17:44:03,960 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:44:03,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 17:44:03,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 17:44:03,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:44:03,961 INFO L87 Difference]: Start difference. First operand 4155 states and 5283 transitions. Second operand 12 states. [2018-11-18 17:44:07,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:44:07,539 INFO L93 Difference]: Finished difference Result 16173 states and 22936 transitions. [2018-11-18 17:44:07,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 17:44:07,540 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 227 [2018-11-18 17:44:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:44:07,590 INFO L225 Difference]: With dead ends: 16173 [2018-11-18 17:44:07,590 INFO L226 Difference]: Without dead ends: 12298 [2018-11-18 17:44:07,610 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 487 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2018-11-18 17:44:07,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12298 states. [2018-11-18 17:44:07,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12298 to 11995. [2018-11-18 17:44:07,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11995 states. [2018-11-18 17:44:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11995 states to 11995 states and 15607 transitions. [2018-11-18 17:44:07,899 INFO L78 Accepts]: Start accepts. Automaton has 11995 states and 15607 transitions. Word has length 227 [2018-11-18 17:44:07,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:44:07,900 INFO L480 AbstractCegarLoop]: Abstraction has 11995 states and 15607 transitions. [2018-11-18 17:44:07,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 17:44:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 11995 states and 15607 transitions. [2018-11-18 17:44:07,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 17:44:07,931 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:44:07,932 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:44:07,932 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:44:07,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:07,933 INFO L82 PathProgramCache]: Analyzing trace with hash 743357016, now seen corresponding path program 1 times [2018-11-18 17:44:07,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:44:07,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:07,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:07,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:07,934 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:44:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:44:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 173 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:44:08,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:44:08,221 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:44:08,221 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-11-18 17:44:08,221 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:44:08,223 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:44:08,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:44:08,543 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:44:08,544 INFO L272 AbstractInterpreter]: Visited 117 different actions 468 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 6728 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6728 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 17:44:08,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:08,552 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:44:08,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:44:08,552 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:44:08,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:08,569 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:44:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:44:08,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:44:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 162 proven. 25 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 17:44:08,713 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:44:08,819 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 17:44:08,844 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:44:08,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-11-18 17:44:08,844 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:44:08,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 17:44:08,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 17:44:08,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-18 17:44:08,845 INFO L87 Difference]: Start difference. First operand 11995 states and 15607 transitions. Second operand 11 states. [2018-11-18 17:44:11,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:44:11,497 INFO L93 Difference]: Finished difference Result 27115 states and 38037 transitions. [2018-11-18 17:44:11,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 17:44:11,497 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 232 [2018-11-18 17:44:11,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:44:11,576 INFO L225 Difference]: With dead ends: 27115 [2018-11-18 17:44:11,576 INFO L226 Difference]: Without dead ends: 15678 [2018-11-18 17:44:11,628 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 484 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=331, Invalid=1391, Unknown=0, NotChecked=0, Total=1722 [2018-11-18 17:44:11,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15678 states. [2018-11-18 17:44:11,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15678 to 14142. [2018-11-18 17:44:11,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14142 states. [2018-11-18 17:44:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14142 states to 14142 states and 17447 transitions. [2018-11-18 17:44:12,021 INFO L78 Accepts]: Start accepts. Automaton has 14142 states and 17447 transitions. Word has length 232 [2018-11-18 17:44:12,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:44:12,024 INFO L480 AbstractCegarLoop]: Abstraction has 14142 states and 17447 transitions. [2018-11-18 17:44:12,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 17:44:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 14142 states and 17447 transitions. [2018-11-18 17:44:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-18 17:44:12,058 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:44:12,058 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:44:12,059 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:44:12,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash 16413496, now seen corresponding path program 1 times [2018-11-18 17:44:12,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:44:12,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:12,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:12,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:44:12,060 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:44:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:44:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 247 proven. 2 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 17:44:12,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:44:12,303 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:44:12,304 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 274 with the following transitions: [2018-11-18 17:44:12,304 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:44:12,306 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:44:12,306 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:44:12,596 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:44:12,596 INFO L272 AbstractInterpreter]: Visited 119 different actions 479 times. Merged at 11 different actions 39 times. Widened at 1 different actions 1 times. Performed 7010 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7010 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 42 variables. [2018-11-18 17:44:12,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:44:12,608 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:44:12,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:44:12,608 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:44:12,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:44:12,615 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:44:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:44:12,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:44:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 247 proven. 2 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 17:44:12,896 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:44:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 247 proven. 2 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 17:44:12,991 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:44:12,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-18 17:44:12,991 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:44:12,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:44:12,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:44:12,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 17:44:12,992 INFO L87 Difference]: Start difference. First operand 14142 states and 17447 transitions. Second operand 9 states. [2018-11-18 17:44:14,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:44:14,001 INFO L93 Difference]: Finished difference Result 25961 states and 32717 transitions. [2018-11-18 17:44:14,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 17:44:14,002 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 273 [2018-11-18 17:44:14,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:44:14,002 INFO L225 Difference]: With dead ends: 25961 [2018-11-18 17:44:14,003 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:44:14,060 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2018-11-18 17:44:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:44:14,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:44:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:44:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:44:14,061 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2018-11-18 17:44:14,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:44:14,062 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:44:14,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:44:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:44:14,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:44:14,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:44:14,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:14,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,781 WARN L180 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 734 DAG size of output: 240 [2018-11-18 17:44:15,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:15,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:44:16,664 WARN L180 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 237 [2018-11-18 17:44:17,858 WARN L180 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 285 DAG size of output: 101 [2018-11-18 17:44:18,411 WARN L180 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 68 [2018-11-18 17:44:19,024 WARN L180 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 68 [2018-11-18 17:44:19,025 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:44:19,026 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 17:44:19,026 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:44:19,026 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 17:44:19,026 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 17:44:19,026 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,026 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,026 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,026 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,026 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 17:44:19,027 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 17:44:19,028 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,029 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,030 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 17:44:19,031 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 17:44:19,032 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 17:44:19,033 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,034 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,035 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 17:44:19,036 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 17:44:19,037 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= 1 |old(~a17~0)|)) (.cse7 (= |old(~a20~0)| ~a20~0)) (.cse6 (= ~a7~0 |old(~a7~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse26 (= ~a16~0 |old(~a16~0)|)) (.cse9 (<= |old(~a8~0)| ~a8~0)) (.cse27 (= 1 ~a21~0))) (let ((.cse5 (< 0 |old(~a20~0)|)) (.cse3 (and .cse7 .cse6 .cse8 .cse26 .cse9 .cse27)) (.cse15 (< |old(~a8~0)| 15)) (.cse25 (and .cse7 .cse6 .cse8 .cse9 .cse27 (= 5 ~a16~0))) (.cse0 (= 6 |old(~a16~0)|)) (.cse21 (not (= 5 |old(~a16~0)|))) (.cse19 (not (= 0 |old(~a7~0)|))) (.cse18 (= |calculate_output_#in~input| 0)) (.cse22 (= ~a8~0 15)) (.cse20 (not (= 15 |old(~a8~0)|))) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse24 (< |old(~a20~0)| 1)) (.cse4 (< 0 |old(~a17~0)|)) (.cse12 (< 0 |old(~a21~0)|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse16 (not (= 1 |old(~a20~0)|))) (.cse23 (not (= 4 |old(~a16~0)|))) (.cse10 (= |old(~a16~0)| ~a16~0)) (.cse2 (not (= 8 ~a12~0))) (.cse13 (= 1 |old(~a7~0)|)) (.cse17 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse1 .cse13 .cse2 .cse14 .cse3 .cse15) (or .cse1 .cse13 .cse16 .cse3 .cse2 .cse17) (or .cse18 (or .cse19 .cse1 .cse20 (not (= 0 |old(~a20~0)|)) .cse21 .cse2 .cse17) .cse22) (or .cse1 .cse13 .cse3 .cse2 .cse15 .cse5) (or .cse1 .cse13 .cse23 .cse2 .cse24 .cse3) (or .cse1 .cse13 .cse23 .cse2 .cse14 .cse3) (or .cse19 .cse1 .cse2 .cse18 .cse17 .cse22 .cse16 .cse20 .cse21) (or .cse1 .cse13 .cse25 .cse21 .cse2 .cse15) (or .cse1 .cse21 .cse2 .cse4 .cse25) (or (and (or .cse18 (or (not .cse0) .cse19 .cse1 .cse16 .cse20 (not (= 0 |old(~a17~0)|)) .cse2)) (or .cse19 .cse1 .cse20 .cse21 (not (= |old(~a20~0)| 1)) .cse2 .cse4 .cse18)) .cse22) (or .cse19 .cse1 .cse23 .cse2 .cse4 .cse18 .cse22 .cse16 .cse20) (or (and .cse7 .cse11 .cse6 .cse8 .cse26 .cse9) .cse2 .cse24 .cse4 .cse12) (or .cse1 .cse16 .cse23 (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse10 .cse27 (= 1 ~a17~0)) .cse2 (not .cse13) (not (= 13 |old(~a8~0)|)) .cse17)))) [2018-11-18 17:44:19,037 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 17:44:19,037 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2018-11-18 17:44:19,037 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,037 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,037 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,037 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,037 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 17:44:19,038 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 17:44:19,039 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,040 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 17:44:19,041 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:44:19,042 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-18 17:44:19,042 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:44:19,042 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:44:19,042 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a8~0 15) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-18 17:44:19,042 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 17:44:19,042 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse5 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse3 (<= ~a20~0 0)) (.cse8 (= ~a16~0 4)) (.cse6 (<= 1 ~a20~0)) (.cse4 (= 5 ~a16~0)) (.cse7 (not (= ~a7~0 1))) (.cse10 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse9 (not (= ~a17~0 1)))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse1 .cse4) (and .cse5 .cse0) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) .cse1 (= 1 ~a17~0)) (and .cse5 .cse2 .cse6) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse7 .cse8 .cse1 .cse9) (and .cse7 (<= |old(~a8~0)| ~a8~0) .cse1 .cse3) (and .cse7 (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) .cse1) (and .cse7 .cse8 .cse1 .cse6) (and .cse7 .cse10 .cse1 .cse4) (and .cse7 .cse10 .cse1 .cse9) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-18 17:44:19,042 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 17:44:19,042 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 17:44:19,042 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 17:44:19,043 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse5 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse3 (<= ~a20~0 0)) (.cse8 (= ~a16~0 4)) (.cse6 (<= 1 ~a20~0)) (.cse4 (= 5 ~a16~0)) (.cse7 (not (= ~a7~0 1))) (.cse10 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse9 (not (= ~a17~0 1)))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse1 .cse4) (and .cse5 .cse0) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) .cse1 (= 1 ~a17~0)) (and .cse5 .cse2 .cse6) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse7 .cse8 .cse1 .cse9) (and .cse7 (<= |old(~a8~0)| ~a8~0) .cse1 .cse3) (and .cse7 (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) .cse1) (and .cse7 .cse8 .cse1 .cse6) (and .cse7 .cse10 .cse1 .cse4) (and .cse7 .cse10 .cse1 .cse9) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-18 17:44:19,043 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 17:44:19,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:44:19 BoogieIcfgContainer [2018-11-18 17:44:19,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:44:19,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:44:19,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:44:19,063 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:44:19,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:43:38" (3/4) ... [2018-11-18 17:44:19,072 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:44:19,078 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:44:19,078 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:44:19,078 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:44:19,091 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:44:19,092 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:44:19,122 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || (a21 <= 0 && !(a16 == 6))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || ((a21 <= 0 && a17 <= 0) && 1 <= a20)) || !(1 == \old(a21))) || !(8 == a12)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && !(a17 == 1))) || (((!(a7 == 1) && \old(a8) <= a8) && 1 == a21) && a20 <= 0)) || (((!(a7 == 1) && \old(a20) == a20) && a17 == \old(a17)) && 1 == a21)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && 1 <= a20)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && 5 == a16)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && !(a17 == 1))) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-11-18 17:44:19,218 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eae4a17f-fd4a-4706-9459-2e9be5c652a8/bin-2019/utaipan/witness.graphml [2018-11-18 17:44:19,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:44:19,220 INFO L168 Benchmark]: Toolchain (without parser) took 43080.93 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 958.5 MB in the beginning and 773.0 MB in the end (delta: 185.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-18 17:44:19,220 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:44:19,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.67 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 920.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:44:19,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -241.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:44:19,221 INFO L168 Benchmark]: Boogie Preprocessor took 81.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:44:19,221 INFO L168 Benchmark]: RCFGBuilder took 1874.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:44:19,221 INFO L168 Benchmark]: TraceAbstraction took 40407.97 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 773.1 MB in the end (delta: 276.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 17:44:19,222 INFO L168 Benchmark]: Witness Printer took 156.28 ms. Allocated memory is still 2.6 GB. Free memory is still 773.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:44:19,223 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 461.67 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 920.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -241.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1874.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40407.97 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 773.1 MB in the end (delta: 276.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 156.28 ms. Allocated memory is still 2.6 GB. Free memory is still 773.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || (a21 <= 0 && !(a16 == 6))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || ((a21 <= 0 && a17 <= 0) && 1 <= a20)) || !(1 == \old(a21))) || !(8 == a12)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && !(a17 == 1))) || (((!(a7 == 1) && \old(a8) <= a8) && 1 == a21) && a20 <= 0)) || (((!(a7 == 1) && \old(a20) == a20) && a17 == \old(a17)) && 1 == a21)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && 1 <= a20)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && 5 == a16)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && !(a17 == 1))) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 40.3s OverallTime, 11 OverallIterations, 7 TraceHistogramMax, 25.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1405 SDtfs, 13032 SDslu, 2864 SDs, 0 SdLazy, 15825 SolverSat, 3056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2655 GetRequests, 2464 SyntacticMatches, 12 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1385 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14142occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9968970031595693 AbsIntWeakeningRatio, 0.23713235294117646 AbsIntAvgWeakeningVarsNumRemoved, 28.799632352941178 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 1890 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 604 PreInvPairs, 1088 NumberOfFragments, 1035 HoareAnnotationTreeSize, 604 FomulaSimplifications, 85533 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15435 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2896 NumberOfCodeBlocks, 2896 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3812 ConstructedInterpolants, 0 QuantifiedInterpolants, 1730460 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2643 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 3453/3787 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...